US3430213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data storage and logic device
Assignee: SRI International Inc
•
Filing: 1965-01-22
•
Granted: 1969-02-25
•
Expires: 1985-01-22
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Shoulders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:02
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/41; G; G11; G11C; G11C11/00; G11C11/21; G11C11/23; H03; H03K; H03K3/00; H03K3/02; H03K3/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2547386A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |